Child safety lock



FIG. 1 is a first perspective view of a child safety lock showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a perspective view of another state of the child safety lock thereof;

FIG. 10 is a perspective view of another state of the child safety lock thereof; and,

FIG. 11 is an enlarged view of the selected portion 11 in FIG. 1.

The broken lines shown in the drawings depict portions of the child safety lock that form no part of the claimed design. 

CLAIM The ornamental design for a child safety lock, as shown and described. 